<style type="text/css">

  div#parent {
    width: 60%;
    margin: 10px auto;
    padding: 5px;
    
    border: 1px solid #777;
    background-color: #fbca93;
    text-align: center;
  }

  div.positionable {
    width: 75px;
    height: 75px;
    position: absolute;
    display: block;
    right: 0;
    bottom: 0;
    background-color: #bcd5e6;
    text-align: center;
  }

  select, input {
    margin-left: 15px;
  }

  </style>

<div class="demo">

<div id="parent">
  <p>
  This is the position parent element.
  </p>
</div>

<div class="positionable">
  <p>
  to position
  </p>
</div>

<div class="positionable" style="width: 120px; height: 40px;">
  <p>
  to position 2
  </p>
</div>

<div style="padding: 20px; margin-top: 75px;">
  position...
  <div style="padding-bottom: 20px;">
    <b>my:</b>
    <select id="my_horizontal">
      <option value="left">left</option>
      <option value="center">center</option>
      <option value="right">right</option>
    </select> 
    <select id="my_vertical">
      <option value="top">top</option>
      <option value="middle">center</option>
      <option value="bottom">bottom</option>
    </select>
  </div>
  <div style="padding-bottom: 20px;">
    <b>at:</b>
    <select id="at_horizontal">
      <option value="left">left</option>
      <option value="center">center</option>
      <option value="right">right</option>
    </select>
    <select id="at_vertical">
      <option value="top">top</option>
      <option value="middle">center</option>
      <option value="bottom">bottom</option>
    </select>
  </div>
  <div style="padding-bottom: 20px;">
    <b>offset:</b>
    <input id="offset" size="15" type="text">
  </div>
  <div style="padding-bottom: 20px;">
    <b>collision:</b>
    <select id="collision_horizontal">
      <option value="flip">flip</option>
      <option value="fit">fit</option>
      <option value="none">none</option>
    </select>
    <select id="collision_vertical">
      <option value="flip">flip</option>
      <option value="fit">fit</option>
      <option value="none">none</option>
    </select>
  </div>
</div>

</div><!-- End demo -->

<div style="display: none;" class="demo-description">

<p>Use the form controls to configure the positioning, or drag the positioned element to modify its offset.
<br>Drag around the parent element to see collision detection in action.</p>

</div><!-- End demo-description -->